27880144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{91711}}^1$

素因数の和:91738

約数の個数: 20

約数和(自身を含む): 56861440

約数和(自身を除く): 28981296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 91711, 183422, 366844, 733688, 1467376, 1742509, 3485018, 6970036, 13940072, 27880144]

約数ペア:

[(1, 27880144), (2, 13940072), (4, 6970036), (8, 3485018), (16, 1742509), (19, 1467376), (38, 733688), (76, 366844), (152, 183422), (304, 91711)]